3.1.2 Surround Sound - 7 speakers built into the soundbar. Left and right front channel, center channel, left and right overhead Dolby Atmos and DTS:X - Whether you’re gaming, watching your favorite movie or show, or listening to that new track on repeat, Dolby Atmos enhances the entertainment you love across all of your devices. It goes beyond ordinary listening by transporting you with the breakthrough spatial sound experience that draws you in deeper, so you hear and feel more. Wireless Subwoofer - A wireless subwoofer delivers the robust low-end frequencies that punctuate your favorite movies, music, and games, without any messy wires. You’ll feel the “boom” while the two front- facing speakers project bright, clear high- and mid-range frequencies. Wireless Music Streaming - Wireless Bluetooth technology easily connects to smart devices so the listener can enjoy their favorite playlists from their phone or other wireless devices.